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Peaks | |
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21. | 1,2-Dichloropropane |
22. | Bromodichloromethane |
23. | Dibromomethane |
24. | cis-1,3-dichloropropene |
25. | Toluene |
26. | trans-1,3-dichloropropene |
27. | 1,1,2-trichloroethane |
28. | 1,3-dichloropropane |
29. | Tetrachloroethene |
30. | Dibromochloromethane |
31. | ethylene dibromide |
32. | Chlorobenzene |
33. | Ethylbenzene |
34. | 1,1,1,2-tetrachloroethane |
35. | m-Xylene |
36. | p-Xylene |
37. | o-Xylene |
38. | Styrene |
39. | Isopropylbenzene |
40. | Bromoform |
Column | Rtx-502.2, 40 m, 0.18 mm ID, 1.00 µm (cat.# 40915) |
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Standard/Sample | Drinking Water VOA MegaMix, 524.2 Rev. 4.1 (cat.# 30052) |
Conc.: | 200 ppb VOA standards in 5mL RO water |
Injection | purge and trap split (split ratio 30:1) |
Liner: | 1mm Split (cat.# 20973) |
Inj. Temp.: | 200 °C |
Purge and Trap | |
Instrument: | Tekmar LCS 2000 |
Trap Type: | Vocarb 4000 |
Purge: | 11 min @ ambient, flow 40 mL/min |
Desorb Preheat Temp.: | 250 °C |
Desorb: | 2 min @ 245 °C, flow 30 mL/min |
Interface Connection: | injection port |
Transfer Line Tubing: | Siltek/Sulfinert Tubing(cat.# 22504) |
Oven | |
Oven Temp.: | 35 °C (hold 4 min) to 150 °C at 6 °C/min to 220 °C at 8 °C/min (hold 8 min) |
Carrier Gas | He, constant pressure |
Linear Velocity: | 21 cm/sec @ 35 °C |
Detector | MS |
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Mode: | Scan |
Transfer Line Temp.: | 250 °C |
Tune Type: | BFB |
Ionization Mode: | EI |
Scan Range: | 35-300 amu |
Instrument | HP5890 GC & 5971 MSD |
Notes | Optimized Using Pro ezGC software |
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